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Morgan Nguyen MDAug 11, 2025
What to do if SBM AMC 12 Heater has ignition default?
- CCassandra SmithAug 11, 2025
If your SBM Heater shows an ignition default, there could be a couple of reasons. First, check the ionization probe and its cable. Second, make sure to check the gas pressure upstream of the gas valve.

